The splash pad cost ranges from $65,000- $500,000 for a commercial grade, and the splash pad cost for a residence is around $15,000-$35,000 depending on what’s best for you. There are some other options that can be cheaper but you’ll end up building a splash pad kit and install it yourself.Click to see full answer. Then, do splash pads reuse water?So just where does the water come from and where does it go? Some of the options include recirculating the splash pad water, storing the water in a tank underground and allowing it to percolate back into the groundwater, or reusing the water for either subsurface or above ground irrigation.Secondly, how many gallons of water does a splash pad use? With a splash pad, you are dealing with a very small body of water around 1,000 gallons instead of the 10’s of thousand gallons you have with a pool. Simply so, what do you need for a splash pad? What to bring A big bag to hold everything. Sunscreen — reapply as needed. Hats — sunhats with big brims give much-needed shade. Water shoes — street shoes are not allowed at most splash-pads. Extra swim diapers for the little ones. Plastic bags for wet diapers and swimsuits. Towels. Hand wipes or hand sanitizers. How does splash pad work?A splash pad or spray pool is a recreation area, often in a public park, for water play that has little or no standing water. Typically the water is either freshwater, or recycled and treated water, that is typically treated to at least the same level of quality as swimming pool water standards.